Central Iowa Times

Of the 15,073 people living in Hamilton County, Iowa in 2021, 49.7% (7,485) were women and 50.3% (7,588) were men, according to U.S. Census Bureau data obtained by Central Iowa Times.

Data showed the average age for men in Hamilton County in 2021 was 45 years, higher than the national average of 40 for men.

According to census data, men aged 18 and over outnumbered women in the same age group by 235. Meanwhile, in the 65 and over group, there were 1,431 men and 1,695 women.

An agency of the U.S. Federal Statistical System, the Census Bureau is responsible for compiling statistical facts about the American people, places and economy. Data for this story was compiled from the bureau's American Community Survey. Information from the survey helps to determine how federal and state funds are distributed. These funds significantly influence community services, education, and infrastructure in areas like Hamilton County.

Age Range (Years)	Sex	Population in 2021	Population in 2020	Population in 2019	Change 2020-2021	Change 2019-2020
Under 5	Female	411	432	433	-4.9%	-0.2%
Under 5	Male	437	452	485	-3.3%	-6.8%
5 to 9	Female	456	365	379	24.9%	-3.7%
5 to 9	Male	548	458	452	19.7%	1.3%
10 to 14	Female	511	591	645	-13.5%	-8.4%
10 to 14	Male	506	479	483	5.6%	-0.8%
15 to 17	Female	288	280	276	2.9%	1.4%
15 to 17	Male	307	307	280	0%	9.6%
18 and 19	Female	126	122	128	3.3%	-4.7%
18 and 19	Male	177	186	180	-4.8%	3.3%
20	Female	65	41	71	58.5%	-42.3%
20	Male	40	38	71	5.3%	-46.5%
21	Female	96	105	108	-8.6%	-2.8%
21	Male	66	79	63	-16.5%	25.4%
22 to 24	Female	185	217	163	-14.7%	33.1%
22 to 24	Male	250	245	230	2%	6.5%
25 to 29	Female	447	428	428	4.4%	0%
25 to 29	Male	339	334	329	1.5%	1.5%
30 to 34	Female	397	398	402	-0.3%	-1%
30 to 34	Male	412	430	499	-4.2%	-13.8%
35 to 39	Female	454	384	426	18.2%	-9.9%
35 to 39	Male	534	514	425	3.9%	20.9%
40 to 44	Female	356	428	450	-16.8%	-4.9%
40 to 44	Male	482	459	431	5%	6.5%
45 to 49	Female	467	493	450	-5.3%	9.6%
45 to 49	Male	436	430	477	1.4%	-9.9%
50 to 54	Female	446	459	483	-2.8%	-5%
50 to 54	Male	465	475	537	-2.1%	-11.5%
55 to 59	Female	643	638	641	0.8%	-0.5%
55 to 59	Male	561	577	508	-2.8%	13.6%
60 and 61	Female	156	143	198	9.1%	-27.8%
60 and 61	Male	280	259	280	8.1%	-7.5%
62 to 64	Female	286	298	247	-4%	20.6%
62 to 64	Male	317	287	315	10.5%	-8.9%
65 and 66	Female	164	149	136	10.1%	9.6%
65 and 66	Male	155	134	144	15.7%	-6.9%
67 to 69	Female	244	254	288	-3.9%	-11.8%
67 to 69	Male	195	216	208	-9.7%	3.8%
70 to 74	Female	424	398	363	6.5%	9.6%
70 to 74	Male	523	448	421	16.7%	6.4%
75 to 79	Female	374	343	292	9%	17.5%
75 to 79	Male	180	146	158	23.3%	-7.6%
80 to 84	Female	189	191	200	-1%	-4.5%
80 to 84	Male	119	121	182	-1.7%	-33.5%
85 and over	Female	300	375	414	-20%	-9.4%
85 and over	Male	259	299	218	-13.4%	37.2%

Source: US Census Bureau